Results 1 to 10 of about 715,335 (264)

Modeling and control strategy for hydrogen production systems coupled with PV and battery storage [PDF]

open access: yesE3S Web of Conferences, 2023
Environmental conditions can significantly affect the performance of photovoltaic (PV) hydrogen production systems, resulting in fluctuations in PV output and suboptimal hydrogen production.
Hu Wenbo   +4 more
doaj   +1 more source

Research on dehumidification optimization of steam turbine wet steam stage hollow stator cascade heating

open access: yesCase Studies in Thermal Engineering, 2023
The secondary water droplets in the steam turbine wet steam stage are easy to cause water erosion damage to the rotor cascade, and there is a large speed slip between the main steam flow and the secondary water droplets, which will seriously affect the ...
Xu Han   +6 more
doaj   +1 more source

Optimization of end-wall fence in turbine based on response surface methodology and genetic algorithm

open access: yesCase Studies in Thermal Engineering, 2023
Secondary flow loss accounts for a large proportion of the internal flow loss in turbine stages. The use of end-wall fences can effectively reduce secondary flow loss. In this study, the White cascade was taken as the research object, and the position of
Xu Han   +5 more
doaj   +1 more source

A combined power and steam system integrated with solar photovoltaic/thermal collector: Thermodynamic characteristics and cost-benefit analyses

open access: yesCase Studies in Thermal Engineering, 2022
This paper proposes a combined power and steam system integrated with solar photovoltaic/thermal collectors. The system uses solar energy and natural gas to generate electricity and recovers waste heat from the internal combustion engine and solar ...
Jiangjiang Wang   +3 more
doaj   +1 more source

Application of quadratic regression orthogonal design to optimization surface heating for control wet steam condensation flow in nozzle

open access: yesCase Studies in Thermal Engineering, 2022
The condensed flow of wet steam in the low-pressure cylinder of a steam turbine will affect the safety and economy of the unit's operation. Therefore, it is necessary to reduce the influence of the wet steam on the turbine blades after condensation ...
Xu Han   +3 more
doaj   +1 more source

Effect of Contact Angle Hysteresis on Evaporation Dynamics of a Sessile Drop on a Heated Surface [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2022
Contact angle hysteresis (CAH) is a significant factor affecting the drop motion on solid substrates. A model of CAH is introduced to explore the influence of CAH on the dynamics of a sessile drop on a uniformly heated surface, and a two-dimensional ...
X. M. Ye   +3 more
doaj   +1 more source

Development and Simulation of Real-Time Early Warning Protection System for Electric Vehicle Charging Based on a Two-Layer Protection Model

open access: yesWorld Electric Vehicle Journal, 2022
With the increase of fire problems of new energy vehicles (EVs), more and more attention has been paid to charging safety. Firstly, the charging safety problems and protection strategies in the power grid are summarized from the grid side, the charging ...
Linru Jiang   +4 more
doaj   +1 more source

Review of the Charging Safety and Charging Safety Protection of Electric Vehicles

open access: yesWorld Electric Vehicle Journal, 2021
With the continuous development of society and the economy and the popularization of the environmental protection concept, more and more people have begun to turn to electric vehicles. The application of electric vehicles can effectively avoid the damage
Linru Jiang   +4 more
doaj   +1 more source

Improving comprehensive properties of high-density polyethylene matrix composite by boron nitride/coconut shell carbon reinforcement

open access: yesPolymer Testing, 2022
Simultaneously enhancing the thermal conductivity, insulation, and mechanical properties of high-density polyethylene (HDPE) composites is highly desired for electronic and electrical applications.
Xueming Yang   +4 more
doaj   +1 more source

Performance of a Tube-bundle Heat Exchanger in a Rectangular-section Right-angle Bend Duct [PDF]

open access: yesJournal of Applied Fluid Mechanics
Three-dimensional numerical simulations are conducted to elucidate the fundamental differences in hydrodynamics and heat transfer performance between heat exchangers arranged in confined rectangular-section right-angle bend ducts and those in straight ...
X. Wang, C. Li, Y. Yan, X. Ye
doaj   +1 more source

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